ratio of air to coal amount

Coal to Air Ratio

dynamic air-to-coal ratio

optimizing ratio of air to fuel

optimum air to coal ratio

ratio of air to gas

ratio of air to oil

ratio of air to water

the ratio of air to fuel

the ratio of coal-air

air coal ratio

Air-coal Ratio

coal consumption amount utilization ratio of coal

coal-air ratio

determinator of ratio of specific heat of gas

effective utilization ratio of air flow

fuel-to-air ratio

heat capacity ratio of air

Invariability of Ratio of Areas